Diff: main.cpp

Revision:

0:4527149f9f39

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Fri Jul 23 02:44:24 2021 +0000
@@ -0,0 +1,81 @@
+#include "mbed.h"
+#include "max32630fthr.h"
+#include "USBSerial.h"
+#include "ds3231.h"
+#define ESC 0x1B
+
+MAX32630FTHR pegasus(MAX32630FTHR::VIO_3V3);
+
+// Hardware serial port over DAPLink
+Serial daplink(USBTX, USBRX);
+
+// declare pins
+DigitalOut bLED(LED3);
+DigitalIn push(P2_3, PullUp);
+
+
+int main(){
+    Ds3231 rtc(I2C1_SDA, I2C1_SCL);
+    // rtc.frequency(0);
+
+    char buffer[32];
+    daplink.printf("%c[2J", ESC); //clear screen
+    daplink.printf("%c[H", ESC); //move cursor to Home
+    daplink.printf("< RTC DEMO >\r\n\n");
+    
+    for(int ii=0;ii<3;ii++){    // blink blue 3 times
+        bLED = LED_OFF;
+        wait(0.5);
+        bLED = LED_ON;
+        wait(0.5);
+        bLED = LED_OFF;
+    }
+
+    time_t epoch_time;  // declare variable for absolute time (in seconds) from Jan 1, 1970 12mn
+    ds3231_time_t timeKeep; // declare time variable
+    ds3231_calendar_t dateKeep; // declare calendar variable
+
+    // set to false when just reading time. set to true when setting time too.
+    bool setTime = false;
+    if(setTime){
+        // setting the time
+        timeKeep.seconds = 0;   // 1-59
+        timeKeep.minutes = 0;   // 1-59
+        timeKeep.hours = 10;    // 1-12
+        timeKeep.am_pm = 0;     // 0 am, 1 pm
+        timeKeep.mode = 0;      // 0 military, 1 normal
+
+        // setting the calendar
+        dateKeep.day = 5;       // 1 sunday - 7 saturday
+        dateKeep.date = 30;     // 1-31
+        dateKeep.month = 7;     // 1-12
+        dateKeep.year = 20;     // last 2 digit
+        
+        daplink.printf("Written Date: %u/%u/%u\r\n",dateKeep.year,dateKeep.month,dateKeep.date);
+        daplink.printf("Written Time: %u:%u:%u\r\n",timeKeep.hours,timeKeep.minutes,timeKeep.seconds);
+
+        if(rtc.set_time(timeKeep)){
+            daplink.printf("Setting time failed\r\n");
+        }
+        if(rtc.set_calendar(dateKeep)){
+            daplink.printf("Setting calendar failed\r\n");
+        }
+    }
+
+    rtc.get_calendar(&dateKeep);
+    daplink.printf("Initial Date: %u/%u/%u\r\n",dateKeep.year,dateKeep.month,dateKeep.date);
+    rtc.get_time(&timeKeep);
+    daplink.printf("Initial Time: %u:%u:%u\r\n\n",timeKeep.hours,timeKeep.minutes,timeKeep.seconds);
+
+    while(1){
+        if(!push){
+            bLED = LED_ON;
+            epoch_time = rtc.get_epoch();   // when button is pushed, display current date and time
+
+            strftime(buffer, 32, "%a %b%e %G %X", localtime(&epoch_time));
+            daplink.printf("%s\r\n", buffer);
+            wait(1);    // wait for a second before accepting input again. without this, it would display the time multiple times.
+            bLED = LED_OFF;
+        }
+    }
+}